Zhengzhou Ke-Hui Tech. Co., Ltd. was founded in 1996, integrating the R&D and sale. Our company covers an area of 1000 square meters. With our abundant experience and industrious staffs, we can meet various requirements for different types of customers. Our production capacity amounts to USD 5,000,000 per year. We are mainly engaged in the production of Portable Quenching medium cooling performance detectors,tube-tube plate welding, tube-tube welding, Orbital TIG welding equipment, Straight tube butt welding, Auto SAW machines for saddle pipe joints, and closed chambers for tube to tube...